import java.awt.GridLayout;

import javax.swing.JFrame;
import javax.swing.JLabel;



public class MainWindow {

	/**
	 * Opens main window of application.
	 * 
	 * @param args
	 */
	public static void main(String[] args) {
		JFrame mainWindow = new JFrame("Cleaning Robot");
		mainWindow.setBounds(100, 100, 500, 400);
		mainWindow.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		mainWindow.setLayout(new GridLayout(2, 2));
		
		JLabel label = new JLabel("Hello World!");
		mainWindow.add(label);
		
		mainWindow.setVisible(true);
	}

}
